Elliptic flow from final state interactions in the distorted-wave emission-function model
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The effect of final state interactions on the elliptic flow coefficient measured in relativistic heavy ion collisions is investigated within the DWEF formalism established by Miller and Cramer [Phys. Rev. Lett. 94, 102302 (2005), J. Phys. G34, 703 (2007), Phys. Rev. C78, 054905 (2008)]. It is found that the optical potential previously found to give the best fit of particle multiplicity and Hanbury Brown and Twiss radii in RHIC events has a moderate effect on the resulting elliptic flow coefficient v_2. This indicates that final state interactions should be taken into account to confidently predict v_2 to better than ~20% accuracy.
17 pages, 2 figures; v2: replaced all figures, revised Results section, changed title to match published version, and other minor changes
17 pages, 2 figures; v2: replaced all figures, revised Results section, changed title to match published version, and other minor changes